TY - JOUR
T1 - Artificial spin system using composite structures of d- and s-wave superconductors
AU - Kato, Masaru
AU - Hirayama, Masaki
AU - Nakajima, Susumu
AU - Koyama, Tomio
AU - Machida, Masahiko
AU - Ishida, Takekazu
N1 - Funding Information:
This work is partially supported by Grant-in-Aid for Scientific Research (C) from the Japan Society for the Promotion of Science. Part of numerical computation has been done on the Computer facilities of Institute for Materials Research, Tohoku University.
PY - 2007/3
Y1 - 2007/3
N2 - Because of the spontaneous half-quantized magnetic fluxes, a d-wave superconducting dot in an s-wave superconductor can be considered as a spin. Using two-components Ginzburg-Landau equation, we obtained stable magnetic structures of this system and investigate its properties. Especially, the interaction between two d-wave superconducting dots is anisotropic and depends on their distance. So, we can construct various artificial spin systems changing lattice structure of d-wave superconducting dots.
AB - Because of the spontaneous half-quantized magnetic fluxes, a d-wave superconducting dot in an s-wave superconductor can be considered as a spin. Using two-components Ginzburg-Landau equation, we obtained stable magnetic structures of this system and investigate its properties. Especially, the interaction between two d-wave superconducting dots is anisotropic and depends on their distance. So, we can construct various artificial spin systems changing lattice structure of d-wave superconducting dots.
KW - Artificial spin system
KW - Ginzburg-Landau Equation
KW - Half-quantized flux
KW - d-wave superconductor
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U2 - 10.1016/j.jmmm.2006.10.923
DO - 10.1016/j.jmmm.2006.10.923
M3 - Article
AN - SCOPUS:33847298192
SN - 0304-8853
VL - 310
SP - 495
EP - 497
JO - Journal of Magnetism and Magnetic Materials
JF - Journal of Magnetism and Magnetic Materials
IS - 2 SUPPL. PART 1
ER -